\begin{table}[p]\centering
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\captionsetup{justification=centering}
\caption{Below
vs.
Above
Median
Length
of
Marriage}
\label{table-hetero-length-of-marriage}
\begin{subtable}[h]{\linewidth}
\centering
\caption*{\normalsize
Panel
A:
Rural
and
Urban
Women}
\vspace{-4ex}
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular*}{\hsize}{@{\hskip\tabcolsep\extracolsep\fill}lp{1.75cm}p{1.75cm}p{1.5cm}p{1.5cm}p{1.5cm}p{1.5cm}}
\label{table-hetero-length-of-marriage-panel-a-full}
\\
\toprule
                    &\multicolumn{2}{c}{\shortstack[c]{Attended village (rural) \\ or municipal (urban) \\ council meeting last year}}&\multicolumn{2}{c}{\shortstack[c]{Discusses politics \\and community \\ with husband}}&\multicolumn{2}{c}{\shortstack[c]{Participates in \\ a political \\ organization}}\\\cmidrule(lr){2-3}\cmidrule(lr){4-5}\cmidrule(lr){6-7}
                    &\multicolumn{1}{c}{(1)}         &\multicolumn{1}{c}{(2)}         &\multicolumn{1}{c}{(3)}         &\multicolumn{1}{c}{(4)}         &\multicolumn{1}{c}{(5)}         &\multicolumn{1}{c}{(6)}         \\
\midrule
Marriage Age        &       0.006         &       0.007         &       0.012         &       0.018\sym{**} &      -0.000         &       0.003\sym{*}  \\
                    &     (0.005)         &     (0.005)         &     (0.010)         &     (0.008)         &     (0.002)         &     (0.002)         \\
\midrule
Sample              &Below Median         &Above Median         &Below Median         &Above Median         &Below Median         &Above Median         \\
Observations        &       17601         &       18282         &       17587         &       18256         &       17616         &       18300         \\
\midrule
\end{tabular*}
\end{subtable}
